On Thu, 2013-05-16 at 15:37 +0200, Paolo Bonzini wrote: > Il 16/05/2013 11:28, Vadim Rozenfeld ha scritto: > >>>>> > > > > + case HV_X64_MSR_REFERENCE_TSC: { > >>>>> > > > > + u64 gfn; > >>>>> > > > > + unsigned long addr; > >>>>> > > > > + u32 tsc_ref; > >>>>> > > > > + gfn = data >> HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT; > >>>> > > > Shouldn't you check HV_X64_MSR_TSC_REFERENCE_ENABLE here? > >>> > > > >>> > > Yes, I have this check added in the second patch. > >>> > > > >> > Move it here please. > > OK, will do it. > >> > > >>>> > > > > >>>>> > > > > + addr = gfn_to_hva(kvm, gfn); > >>>>> > > > > + if (kvm_is_error_hva(addr)) > >>>>> > > > > + return 1; > >>>>> > > > > + tsc_ref = 0; > > This should write 0xFFFFFFFF. This should write 0 Vadim. > > Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html